Try Ruby: learn the basics of the Ruby language in your browser.

Learn the basic building blocks of the Ruby programming language, all in the browser.


RubyMonk - Interactive Ruby tutorials
Learn Ruby with the Neo Ruby Koans
Try Python: Interactive Python Tutorial in the Browser
Learn Code The Hard Way -- Books And Courses To Learn To Code Documenting the Ruby Language
Ruby Inside: The Ruby Blog
Try Git: Code School
Rails for Zombies: Code School
Hackety Hack!
A Curated List of Resources for Ruby and Rails Learning
Try Clojure